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OnChange with sending value!

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OnChange with sending value! Having problems with a PHP script you are coding? This is the place to get help!

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  #1  
Old September 17th, 2002, 06:53 AM
neutcomp neutcomp is offline
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OnChange with sending value!
Hello I have a selection box with articals(like computer, boat, airplane) and I want if somebody select an item the next page loads with more info about the selected item. I have allready a peace of code but its not working right. Can somebody help me or know the solution!

Thanxx
Bjorn
neutcomp@hotmail.com
php Code:
Original - php Code 
  1.  
  2. <HTML>  
  3. <HEAD>  
  4. <TITLE> onChange </TITLE>  
  5. <META NAME="Generator" CONTENT="EditPlus">  
  6. <META NAME="Author" CONTENT="">  
  7. <META NAME="Keywords" CONTENT="">  
  8. <META NAME="Description" CONTENT="">  
  9.  
  10. <!-- Zet dit in de head van je pagina -->   
  11. <script type="text/javascript">   
  12. function getID()   
  13. {   
  14. var ID;  
  15. ID = document.form1.getID.options[document.form1.getID.selectedIndex].value;   
  16. self.location.href = 'index.php'+ ID;   
  17. }   
  18. </script>  
  19.  
  20. </HEAD>  
  21.  
  22. <BODY>  
  23.  
  24. <!-- Het formulier in de body ;) -->   
  25. <form name="form1">   
  26. <select name="bla" onChange="getID();">   
  27. <option value="0">Auto</option>     
  28. <option value="1">Vliegtuig</option>     
  29. <option value="2">Fiets</option>    
  30. <option value="3">Computer</option>    
  31. </select>   
  32. </form>   
  33.  
  34. </BODY>  
  35. </HTML>
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  #2  
Old September 17th, 2002, 06:58 AM
meldev meldev is offline
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RE: OnChange with sending value!
hi,

I think you have to write this
self.location.href = 'index.php?ID='+ ID;

and in you index.php you have to get the parameter ID and to do what you want with it
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  #3  
Old September 17th, 2002, 07:08 AM
neutcomp neutcomp is offline
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RE: OnChange with sending value!
Sad but thrue Its not working!
Just try it and you will see the error message! I have changed the names just for more visibility!

php Code:
Original - php Code 
  1.  
  2. <HTML>  
  3. <HEAD>  
  4. <TITLE> onChange </TITLE>  
  5. <META NAME="Generator" CONTENT="EditPlus">  
  6. <META NAME="Author" CONTENT="">  
  7. <META NAME="Keywords" CONTENT="">  
  8. <META NAME="Description" CONTENT="">  
  9.   
  10.  <!-- Zet dit in de head van je pagina -->   
  11.  <script type="text/javascript">   
  12.  function getID()   
  13.  {   
  14.   var ID;  
  15.   ID = document.form_select.ID_artikel.options[document.form_select.ID_artikel.selectedIndex].value;
  16.     self.location.href = 'index.php?ID='+ ID; 
  17.  }   
  18.  </script>  
  19.   
  20. </HEAD>  
  21.   
  22. <BODY>  
  23.    
  24. <!-- Het formulier in de body ;) -->   
  25. <form name="form_select">   
  26. <select name="ID_artikel" onChange="getID();">   
  27.   <option value="0">Auto</option>     
  28.   <option value="1">Vliegtuig</option>     
  29.   <option value="2">Fiets</option>    
  30.   <option value="3">Computer</option>    
  31. </select>   
  32. </form>   
  33.   
  34. </BODY>  
  35. </HTML>
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  #4  
Old September 17th, 2002, 10:39 AM
greggory greggory is offline
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RE: OnChange with sending value!
I updated your code and must act a little better :
php Code:
Original - php Code 
  1.  
  2. <HTML>  
  3. <HEAD>  
  4. <TITLE> onChange </TITLE>  
  5. <META NAME="Generator" CONTENT="EditPlus">  
  6. <META NAME="Author" CONTENT="">  
  7. <META NAME="Keywords" CONTENT="">  
  8. <META NAME="Description" CONTENT="">  
  9.  
  10. <!-- Zet dit in de head van je pagina -->   
  11. <script type="text/javascript">   
  12. function getID(f)   
  13. {   
  14. var ID;  
  15. ID = f.bla.options[f.bla.selectedIndex].value; 
  16. location.replace( 'index.php?ID='+ ID );
  17. }   
  18. </script>
  19. </HEAD>  
  20.  
  21. <BODY>  
  22.  
  23. <!-- Het formulier in de body -->   
  24. <form name="form1">   
  25. <select name="bla" onChange="getID(this.form);">   
  26. <option value="0">Auto</option>     
  27. <option value="1">Vliegtuig</option>     
  28. <option value="2">Fiets</option>    
  29. <option value="3">Computer</option>    
  30. </select>   
  31. </form>   
  32.  
  33. </BODY>  
  34. </HTML>


I always pass the form when acting on a form field, using this.form syntax, which is the most compatible with the browsers (Neither 'all', nor 'layers'...)

Second thing: I use location.replace to load another page

Hope It Lps
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  #5  
Old September 17th, 2002, 11:24 AM
neutcomp neutcomp is offline
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RE: OnChange with sending value!
Create it works fine know!

I was so close but also so far a way! hehe thanxx

Cya
Bjorn
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